./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/09-regions_13-arraycollapse_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/goblint-regression/09-regions_13-arraycollapse_nr.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b018c23c1a90f89310fc4f08bf16b02660af5a398ccd47f63d319e7a234c112b --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 17:50:17,175 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 17:50:17,239 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-22 17:50:17,248 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 17:50:17,248 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 17:50:17,285 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 17:50:17,286 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 17:50:17,286 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 17:50:17,287 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 17:50:17,287 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 17:50:17,288 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 17:50:17,288 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 17:50:17,288 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 17:50:17,289 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 17:50:17,289 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 17:50:17,290 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 17:50:17,290 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 17:50:17,290 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 17:50:17,291 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 17:50:17,291 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 17:50:17,292 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 17:50:17,292 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 17:50:17,292 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-22 17:50:17,293 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 17:50:17,293 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-22 17:50:17,293 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 17:50:17,294 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 17:50:17,294 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 17:50:17,294 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 17:50:17,295 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 17:50:17,298 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 17:50:17,298 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 17:50:17,302 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 17:50:17,303 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 17:50:17,303 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 17:50:17,303 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 17:50:17,303 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 17:50:17,304 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 17:50:17,304 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 17:50:17,304 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 17:50:17,305 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 17:50:17,305 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b018c23c1a90f89310fc4f08bf16b02660af5a398ccd47f63d319e7a234c112b [2024-11-22 17:50:17,559 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 17:50:17,585 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 17:50:17,590 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 17:50:17,591 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 17:50:17,592 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 17:50:17,593 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/09-regions_13-arraycollapse_nr.i [2024-11-22 17:50:19,139 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 17:50:19,402 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 17:50:19,403 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/09-regions_13-arraycollapse_nr.i [2024-11-22 17:50:19,432 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6827fa7e/6271dfa3fb3d4469a997410bac73fe3b/FLAGde0e412b2 [2024-11-22 17:50:19,709 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6827fa7e/6271dfa3fb3d4469a997410bac73fe3b [2024-11-22 17:50:19,712 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 17:50:19,713 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 17:50:19,715 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 17:50:19,715 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 17:50:19,720 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 17:50:19,720 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 05:50:19" (1/1) ... [2024-11-22 17:50:19,721 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ef7a990 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:50:19, skipping insertion in model container [2024-11-22 17:50:19,721 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 05:50:19" (1/1) ... [2024-11-22 17:50:19,772 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 17:50:20,336 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 17:50:20,370 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 17:50:20,430 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 17:50:20,563 INFO L204 MainTranslator]: Completed translation [2024-11-22 17:50:20,564 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:50:20 WrapperNode [2024-11-22 17:50:20,564 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 17:50:20,565 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 17:50:20,565 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 17:50:20,565 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 17:50:20,572 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:50:20" (1/1) ... [2024-11-22 17:50:20,613 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:50:20" (1/1) ... [2024-11-22 17:50:20,679 INFO L138 Inliner]: procedures = 372, calls = 95, calls flagged for inlining = 14, calls inlined = 14, statements flattened = 417 [2024-11-22 17:50:20,680 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 17:50:20,680 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 17:50:20,680 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 17:50:20,680 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 17:50:20,690 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:50:20" (1/1) ... [2024-11-22 17:50:20,690 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:50:20" (1/1) ... [2024-11-22 17:50:20,708 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:50:20" (1/1) ... [2024-11-22 17:50:20,709 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:50:20" (1/1) ... [2024-11-22 17:50:20,753 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:50:20" (1/1) ... [2024-11-22 17:50:20,765 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:50:20" (1/1) ... [2024-11-22 17:50:20,768 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:50:20" (1/1) ... [2024-11-22 17:50:20,771 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:50:20" (1/1) ... [2024-11-22 17:50:20,777 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 17:50:20,778 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 17:50:20,778 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 17:50:20,778 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 17:50:20,779 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:50:20" (1/1) ... [2024-11-22 17:50:20,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 17:50:20,807 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 17:50:20,828 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-22 17:50:20,831 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-22 17:50:20,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-22 17:50:20,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-22 17:50:20,882 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-22 17:50:20,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-22 17:50:20,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-22 17:50:20,883 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-22 17:50:20,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-22 17:50:20,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 17:50:20,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-22 17:50:20,884 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-22 17:50:20,884 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-22 17:50:20,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-22 17:50:20,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 17:50:20,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 17:50:20,888 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-22 17:50:21,047 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 17:50:21,049 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 17:50:21,878 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-22 17:50:21,878 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 17:50:21,916 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 17:50:21,916 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-22 17:50:21,917 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 05:50:21 BoogieIcfgContainer [2024-11-22 17:50:21,917 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 17:50:21,919 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 17:50:21,919 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 17:50:21,922 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 17:50:21,923 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 05:50:19" (1/3) ... [2024-11-22 17:50:21,923 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ec3a630 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 05:50:21, skipping insertion in model container [2024-11-22 17:50:21,924 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:50:20" (2/3) ... [2024-11-22 17:50:21,924 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ec3a630 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 05:50:21, skipping insertion in model container [2024-11-22 17:50:21,924 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 05:50:21" (3/3) ... [2024-11-22 17:50:21,925 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_13-arraycollapse_nr.i [2024-11-22 17:50:21,941 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 17:50:21,941 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2024-11-22 17:50:21,941 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-22 17:50:22,054 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-22 17:50:22,108 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 488 places, 489 transitions, 982 flow [2024-11-22 17:50:22,329 INFO L124 PetriNetUnfolderBase]: 5/488 cut-off events. [2024-11-22 17:50:22,329 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-22 17:50:22,344 INFO L83 FinitePrefix]: Finished finitePrefix Result has 492 conditions, 488 events. 5/488 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 363 event pairs, 0 based on Foata normal form. 0/453 useless extension candidates. Maximal degree in co-relation 360. Up to 2 conditions per place. [2024-11-22 17:50:22,344 INFO L82 GeneralOperation]: Start removeDead. Operand has 488 places, 489 transitions, 982 flow [2024-11-22 17:50:22,377 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 487 places, 488 transitions, 979 flow [2024-11-22 17:50:22,396 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 17:50:22,405 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2281ede5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 17:50:22,406 INFO L334 AbstractCegarLoop]: Starting to check reachability of 37 error locations. [2024-11-22 17:50:22,429 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-22 17:50:22,430 INFO L124 PetriNetUnfolderBase]: 2/102 cut-off events. [2024-11-22 17:50:22,430 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-22 17:50:22,430 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:50:22,431 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:50:22,432 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-22 17:50:22,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:50:22,437 INFO L85 PathProgramCache]: Analyzing trace with hash -888137657, now seen corresponding path program 1 times [2024-11-22 17:50:22,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:50:22,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132094660] [2024-11-22 17:50:22,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:50:22,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:50:22,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:50:23,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:50:23,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:50:23,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132094660] [2024-11-22 17:50:23,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132094660] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:50:23,486 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:50:23,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 17:50:23,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662017726] [2024-11-22 17:50:23,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:50:23,497 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 17:50:23,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:50:23,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 17:50:23,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-22 17:50:24,371 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 348 out of 489 [2024-11-22 17:50:24,380 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 487 places, 488 transitions, 979 flow. Second operand has 6 states, 6 states have (on average 349.3333333333333) internal successors, (2096), 6 states have internal predecessors, (2096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:50:24,380 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:50:24,380 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 348 of 489 [2024-11-22 17:50:24,381 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:50:24,834 INFO L124 PetriNetUnfolderBase]: 365/1833 cut-off events. [2024-11-22 17:50:24,834 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-22 17:50:24,839 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2699 conditions, 1833 events. 365/1833 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 9430 event pairs, 364 based on Foata normal form. 13/1708 useless extension candidates. Maximal degree in co-relation 2247. Up to 842 conditions per place. [2024-11-22 17:50:24,846 INFO L140 encePairwiseOnDemand]: 461/489 looper letters, 113 selfloop transitions, 20 changer transitions 2/480 dead transitions. [2024-11-22 17:50:24,846 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 488 places, 480 transitions, 1229 flow [2024-11-22 17:50:24,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 17:50:24,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 17:50:24,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2229 transitions. [2024-11-22 17:50:24,873 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7597137014314929 [2024-11-22 17:50:24,875 INFO L175 Difference]: Start difference. First operand has 487 places, 488 transitions, 979 flow. Second operand 6 states and 2229 transitions. [2024-11-22 17:50:24,876 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 488 places, 480 transitions, 1229 flow [2024-11-22 17:50:24,883 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 487 places, 480 transitions, 1228 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-22 17:50:24,894 INFO L231 Difference]: Finished difference. Result has 487 places, 478 transitions, 998 flow [2024-11-22 17:50:24,897 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=489, PETRI_DIFFERENCE_MINUEND_FLOW=962, PETRI_DIFFERENCE_MINUEND_PLACES=482, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=480, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=460, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=998, PETRI_PLACES=487, PETRI_TRANSITIONS=478} [2024-11-22 17:50:24,900 INFO L277 CegarLoopForPetriNet]: 487 programPoint places, 0 predicate places. [2024-11-22 17:50:24,901 INFO L471 AbstractCegarLoop]: Abstraction has has 487 places, 478 transitions, 998 flow [2024-11-22 17:50:24,902 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 349.3333333333333) internal successors, (2096), 6 states have internal predecessors, (2096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:50:24,902 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:50:24,902 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:50:24,903 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-22 17:50:24,903 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-22 17:50:24,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:50:24,904 INFO L85 PathProgramCache]: Analyzing trace with hash -30494442, now seen corresponding path program 1 times [2024-11-22 17:50:24,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:50:24,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948952761] [2024-11-22 17:50:24,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:50:24,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:50:24,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:50:25,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:50:25,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:50:25,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948952761] [2024-11-22 17:50:25,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948952761] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:50:25,507 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:50:25,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 17:50:25,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409303865] [2024-11-22 17:50:25,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:50:25,509 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 17:50:25,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:50:25,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 17:50:25,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-22 17:50:26,505 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 348 out of 489 [2024-11-22 17:50:26,508 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 487 places, 478 transitions, 998 flow. Second operand has 6 states, 6 states have (on average 349.3333333333333) internal successors, (2096), 6 states have internal predecessors, (2096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:50:26,508 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:50:26,508 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 348 of 489 [2024-11-22 17:50:26,508 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:50:26,840 INFO L124 PetriNetUnfolderBase]: 365/1827 cut-off events. [2024-11-22 17:50:26,840 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-22 17:50:26,842 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2713 conditions, 1827 events. 365/1827 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 9415 event pairs, 364 based on Foata normal form. 0/1695 useless extension candidates. Maximal degree in co-relation 2333. Up to 842 conditions per place. [2024-11-22 17:50:26,848 INFO L140 encePairwiseOnDemand]: 465/489 looper letters, 113 selfloop transitions, 20 changer transitions 0/474 dead transitions. [2024-11-22 17:50:26,848 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 486 places, 474 transitions, 1256 flow [2024-11-22 17:50:26,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 17:50:26,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 17:50:26,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2225 transitions. [2024-11-22 17:50:26,853 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7583503749147921 [2024-11-22 17:50:26,853 INFO L175 Difference]: Start difference. First operand has 487 places, 478 transitions, 998 flow. Second operand 6 states and 2225 transitions. [2024-11-22 17:50:26,853 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 486 places, 474 transitions, 1256 flow [2024-11-22 17:50:26,857 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 481 places, 474 transitions, 1216 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-22 17:50:26,862 INFO L231 Difference]: Finished difference. Result has 481 places, 474 transitions, 990 flow [2024-11-22 17:50:26,863 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=489, PETRI_DIFFERENCE_MINUEND_FLOW=950, PETRI_DIFFERENCE_MINUEND_PLACES=476, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=474, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=454, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=990, PETRI_PLACES=481, PETRI_TRANSITIONS=474} [2024-11-22 17:50:26,864 INFO L277 CegarLoopForPetriNet]: 487 programPoint places, -6 predicate places. [2024-11-22 17:50:26,864 INFO L471 AbstractCegarLoop]: Abstraction has has 481 places, 474 transitions, 990 flow [2024-11-22 17:50:26,865 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 349.3333333333333) internal successors, (2096), 6 states have internal predecessors, (2096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:50:26,865 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:50:26,866 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:50:26,866 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 17:50:26,866 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-22 17:50:26,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:50:26,867 INFO L85 PathProgramCache]: Analyzing trace with hash 1819143829, now seen corresponding path program 1 times [2024-11-22 17:50:26,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:50:26,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209144384] [2024-11-22 17:50:26,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:50:26,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:50:26,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:50:27,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:50:27,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:50:27,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209144384] [2024-11-22 17:50:27,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209144384] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:50:27,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:50:27,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 17:50:27,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540479255] [2024-11-22 17:50:27,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:50:27,417 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 17:50:27,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:50:27,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 17:50:27,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-22 17:50:28,286 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 349 out of 489 [2024-11-22 17:50:28,289 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 481 places, 474 transitions, 990 flow. Second operand has 6 states, 6 states have (on average 351.8333333333333) internal successors, (2111), 6 states have internal predecessors, (2111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:50:28,290 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:50:28,293 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 349 of 489 [2024-11-22 17:50:28,293 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:50:28,647 INFO L124 PetriNetUnfolderBase]: 391/1916 cut-off events. [2024-11-22 17:50:28,648 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-22 17:50:28,650 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2856 conditions, 1916 events. 391/1916 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 10208 event pairs, 390 based on Foata normal form. 0/1778 useless extension candidates. Maximal degree in co-relation 2460. Up to 911 conditions per place. [2024-11-22 17:50:28,656 INFO L140 encePairwiseOnDemand]: 483/489 looper letters, 130 selfloop transitions, 5 changer transitions 0/473 dead transitions. [2024-11-22 17:50:28,657 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 485 places, 473 transitions, 1258 flow [2024-11-22 17:50:28,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 17:50:28,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 17:50:28,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2230 transitions. [2024-11-22 17:50:28,663 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7600545330606681 [2024-11-22 17:50:28,663 INFO L175 Difference]: Start difference. First operand has 481 places, 474 transitions, 990 flow. Second operand 6 states and 2230 transitions. [2024-11-22 17:50:28,663 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 485 places, 473 transitions, 1258 flow [2024-11-22 17:50:28,667 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 480 places, 473 transitions, 1218 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-22 17:50:28,674 INFO L231 Difference]: Finished difference. Result has 480 places, 473 transitions, 958 flow [2024-11-22 17:50:28,675 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=489, PETRI_DIFFERENCE_MINUEND_FLOW=948, PETRI_DIFFERENCE_MINUEND_PLACES=475, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=473, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=468, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=958, PETRI_PLACES=480, PETRI_TRANSITIONS=473} [2024-11-22 17:50:28,677 INFO L277 CegarLoopForPetriNet]: 487 programPoint places, -7 predicate places. [2024-11-22 17:50:28,677 INFO L471 AbstractCegarLoop]: Abstraction has has 480 places, 473 transitions, 958 flow [2024-11-22 17:50:28,678 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 351.8333333333333) internal successors, (2111), 6 states have internal predecessors, (2111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:50:28,678 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:50:28,679 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:50:28,679 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 17:50:28,679 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-22 17:50:28,679 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:50:28,680 INFO L85 PathProgramCache]: Analyzing trace with hash 2049311674, now seen corresponding path program 1 times [2024-11-22 17:50:28,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:50:28,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777757952] [2024-11-22 17:50:28,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:50:28,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:50:28,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:50:28,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:50:28,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:50:28,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777757952] [2024-11-22 17:50:28,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777757952] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:50:28,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:50:28,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 17:50:28,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000890528] [2024-11-22 17:50:28,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:50:28,869 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:50:28,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:50:28,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:50:28,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:50:28,904 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 474 out of 489 [2024-11-22 17:50:28,906 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 480 places, 473 transitions, 958 flow. Second operand has 3 states, 3 states have (on average 475.3333333333333) internal successors, (1426), 3 states have internal predecessors, (1426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:50:28,907 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:50:28,907 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 474 of 489 [2024-11-22 17:50:28,907 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:50:29,018 INFO L124 PetriNetUnfolderBase]: 7/658 cut-off events. [2024-11-22 17:50:29,019 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-22 17:50:29,020 INFO L83 FinitePrefix]: Finished finitePrefix Result has 697 conditions, 658 events. 7/658 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 635 event pairs, 6 based on Foata normal form. 1/623 useless extension candidates. Maximal degree in co-relation 496. Up to 24 conditions per place. [2024-11-22 17:50:29,022 INFO L140 encePairwiseOnDemand]: 486/489 looper letters, 10 selfloop transitions, 2 changer transitions 0/474 dead transitions. [2024-11-22 17:50:29,022 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 482 places, 474 transitions, 984 flow [2024-11-22 17:50:29,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:50:29,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:50:29,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1435 transitions. [2024-11-22 17:50:29,026 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.978186775732788 [2024-11-22 17:50:29,026 INFO L175 Difference]: Start difference. First operand has 480 places, 473 transitions, 958 flow. Second operand 3 states and 1435 transitions. [2024-11-22 17:50:29,026 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 482 places, 474 transitions, 984 flow [2024-11-22 17:50:29,030 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 477 places, 474 transitions, 974 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-22 17:50:29,037 INFO L231 Difference]: Finished difference. Result has 478 places, 474 transitions, 960 flow [2024-11-22 17:50:29,038 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=489, PETRI_DIFFERENCE_MINUEND_FLOW=948, PETRI_DIFFERENCE_MINUEND_PLACES=475, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=473, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=471, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=960, PETRI_PLACES=478, PETRI_TRANSITIONS=474} [2024-11-22 17:50:29,038 INFO L277 CegarLoopForPetriNet]: 487 programPoint places, -9 predicate places. [2024-11-22 17:50:29,039 INFO L471 AbstractCegarLoop]: Abstraction has has 478 places, 474 transitions, 960 flow [2024-11-22 17:50:29,040 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 475.3333333333333) internal successors, (1426), 3 states have internal predecessors, (1426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:50:29,040 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:50:29,040 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:50:29,040 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-22 17:50:29,041 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-22 17:50:29,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:50:29,041 INFO L85 PathProgramCache]: Analyzing trace with hash -1304451798, now seen corresponding path program 1 times [2024-11-22 17:50:29,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:50:29,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136583509] [2024-11-22 17:50:29,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:50:29,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:50:29,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:50:29,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:50:29,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:50:29,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136583509] [2024-11-22 17:50:29,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136583509] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:50:29,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:50:29,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 17:50:29,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534156898] [2024-11-22 17:50:29,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:50:29,652 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 17:50:29,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:50:29,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 17:50:29,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-22 17:50:30,605 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 391 out of 489 [2024-11-22 17:50:30,608 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 478 places, 474 transitions, 960 flow. Second operand has 6 states, 6 states have (on average 395.8333333333333) internal successors, (2375), 6 states have internal predecessors, (2375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:50:30,609 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:50:30,609 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 391 of 489 [2024-11-22 17:50:30,609 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:50:30,862 INFO L124 PetriNetUnfolderBase]: 55/899 cut-off events. [2024-11-22 17:50:30,863 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-22 17:50:30,864 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1146 conditions, 899 events. 55/899 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 2253 event pairs, 54 based on Foata normal form. 0/839 useless extension candidates. Maximal degree in co-relation 924. Up to 227 conditions per place. [2024-11-22 17:50:30,866 INFO L140 encePairwiseOnDemand]: 483/489 looper letters, 89 selfloop transitions, 5 changer transitions 0/473 dead transitions. [2024-11-22 17:50:30,866 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 482 places, 473 transitions, 1146 flow [2024-11-22 17:50:30,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 17:50:30,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 17:50:30,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2440 transitions. [2024-11-22 17:50:30,871 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8316291751874574 [2024-11-22 17:50:30,871 INFO L175 Difference]: Start difference. First operand has 478 places, 474 transitions, 960 flow. Second operand 6 states and 2440 transitions. [2024-11-22 17:50:30,872 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 482 places, 473 transitions, 1146 flow [2024-11-22 17:50:30,874 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 481 places, 473 transitions, 1144 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-22 17:50:30,879 INFO L231 Difference]: Finished difference. Result has 481 places, 473 transitions, 966 flow [2024-11-22 17:50:30,880 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=489, PETRI_DIFFERENCE_MINUEND_FLOW=956, PETRI_DIFFERENCE_MINUEND_PLACES=476, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=473, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=468, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=966, PETRI_PLACES=481, PETRI_TRANSITIONS=473} [2024-11-22 17:50:30,881 INFO L277 CegarLoopForPetriNet]: 487 programPoint places, -6 predicate places. [2024-11-22 17:50:30,881 INFO L471 AbstractCegarLoop]: Abstraction has has 481 places, 473 transitions, 966 flow [2024-11-22 17:50:30,883 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 395.8333333333333) internal successors, (2375), 6 states have internal predecessors, (2375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:50:30,883 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:50:30,883 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:50:30,883 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-22 17:50:30,883 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-22 17:50:30,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:50:30,884 INFO L85 PathProgramCache]: Analyzing trace with hash 1118460176, now seen corresponding path program 1 times [2024-11-22 17:50:30,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:50:30,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073551018] [2024-11-22 17:50:30,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:50:30,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:50:30,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:50:31,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:50:31,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:50:31,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073551018] [2024-11-22 17:50:31,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073551018] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:50:31,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:50:31,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 17:50:31,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664966325] [2024-11-22 17:50:31,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:50:31,480 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 17:50:31,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:50:31,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 17:50:31,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-22 17:50:32,259 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 374 out of 489 [2024-11-22 17:50:32,262 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 481 places, 473 transitions, 966 flow. Second operand has 6 states, 6 states have (on average 378.5) internal successors, (2271), 6 states have internal predecessors, (2271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:50:32,263 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:50:32,263 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 374 of 489 [2024-11-22 17:50:32,263 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:50:32,606 INFO L124 PetriNetUnfolderBase]: 37/812 cut-off events. [2024-11-22 17:50:32,606 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-22 17:50:32,608 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1049 conditions, 812 events. 37/812 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1733 event pairs, 36 based on Foata normal form. 0/769 useless extension candidates. Maximal degree in co-relation 792. Up to 198 conditions per place. [2024-11-22 17:50:32,611 INFO L140 encePairwiseOnDemand]: 471/489 looper letters, 93 selfloop transitions, 15 changer transitions 0/470 dead transitions. [2024-11-22 17:50:32,611 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 483 places, 470 transitions, 1176 flow [2024-11-22 17:50:32,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 17:50:32,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 17:50:32,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2355 transitions. [2024-11-22 17:50:32,618 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8026584867075665 [2024-11-22 17:50:32,618 INFO L175 Difference]: Start difference. First operand has 481 places, 473 transitions, 966 flow. Second operand 6 states and 2355 transitions. [2024-11-22 17:50:32,619 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 483 places, 470 transitions, 1176 flow [2024-11-22 17:50:32,623 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 478 places, 470 transitions, 1166 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-22 17:50:32,629 INFO L231 Difference]: Finished difference. Result has 478 places, 470 transitions, 980 flow [2024-11-22 17:50:32,630 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=489, PETRI_DIFFERENCE_MINUEND_FLOW=950, PETRI_DIFFERENCE_MINUEND_PLACES=473, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=470, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=455, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=980, PETRI_PLACES=478, PETRI_TRANSITIONS=470} [2024-11-22 17:50:32,632 INFO L277 CegarLoopForPetriNet]: 487 programPoint places, -9 predicate places. [2024-11-22 17:50:32,632 INFO L471 AbstractCegarLoop]: Abstraction has has 478 places, 470 transitions, 980 flow [2024-11-22 17:50:32,634 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 378.5) internal successors, (2271), 6 states have internal predecessors, (2271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:50:32,634 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:50:32,635 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:50:32,635 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-22 17:50:32,635 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-22 17:50:32,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:50:32,636 INFO L85 PathProgramCache]: Analyzing trace with hash 1527179138, now seen corresponding path program 1 times [2024-11-22 17:50:32,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:50:32,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448488104] [2024-11-22 17:50:32,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:50:32,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:50:32,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:50:33,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:50:33,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:50:33,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448488104] [2024-11-22 17:50:33,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [448488104] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:50:33,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:50:33,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 17:50:33,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760126141] [2024-11-22 17:50:33,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:50:33,148 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 17:50:33,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:50:33,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 17:50:33,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-22 17:50:33,752 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 336 out of 489 [2024-11-22 17:50:33,754 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 478 places, 470 transitions, 980 flow. Second operand has 6 states, 6 states have (on average 342.1666666666667) internal successors, (2053), 6 states have internal predecessors, (2053), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:50:33,755 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:50:33,755 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 336 of 489 [2024-11-22 17:50:33,755 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:50:34,318 INFO L124 PetriNetUnfolderBase]: 365/1925 cut-off events. [2024-11-22 17:50:34,318 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-22 17:50:34,321 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2872 conditions, 1925 events. 365/1925 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 9371 event pairs, 364 based on Foata normal form. 0/1801 useless extension candidates. Maximal degree in co-relation 2485. Up to 898 conditions per place. [2024-11-22 17:50:34,325 INFO L140 encePairwiseOnDemand]: 471/489 looper letters, 131 selfloop transitions, 15 changer transitions 0/467 dead transitions. [2024-11-22 17:50:34,326 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 480 places, 467 transitions, 1266 flow [2024-11-22 17:50:34,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 17:50:34,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 17:50:34,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2165 transitions. [2024-11-22 17:50:34,331 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7379004771642809 [2024-11-22 17:50:34,331 INFO L175 Difference]: Start difference. First operand has 478 places, 470 transitions, 980 flow. Second operand 6 states and 2165 transitions. [2024-11-22 17:50:34,331 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 480 places, 467 transitions, 1266 flow [2024-11-22 17:50:34,334 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 475 places, 467 transitions, 1236 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-22 17:50:34,339 INFO L231 Difference]: Finished difference. Result has 475 places, 467 transitions, 974 flow [2024-11-22 17:50:34,340 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=489, PETRI_DIFFERENCE_MINUEND_FLOW=944, PETRI_DIFFERENCE_MINUEND_PLACES=470, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=467, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=452, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=974, PETRI_PLACES=475, PETRI_TRANSITIONS=467} [2024-11-22 17:50:34,341 INFO L277 CegarLoopForPetriNet]: 487 programPoint places, -12 predicate places. [2024-11-22 17:50:34,341 INFO L471 AbstractCegarLoop]: Abstraction has has 475 places, 467 transitions, 974 flow [2024-11-22 17:50:34,342 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 342.1666666666667) internal successors, (2053), 6 states have internal predecessors, (2053), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:50:34,342 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:50:34,342 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:50:34,343 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-22 17:50:34,343 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-22 17:50:34,343 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:50:34,343 INFO L85 PathProgramCache]: Analyzing trace with hash 1851008217, now seen corresponding path program 1 times [2024-11-22 17:50:34,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:50:34,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672773444] [2024-11-22 17:50:34,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:50:34,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:50:34,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:50:34,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:50:34,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:50:34,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672773444] [2024-11-22 17:50:34,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672773444] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:50:34,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:50:34,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 17:50:34,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921810968] [2024-11-22 17:50:34,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:50:34,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 17:50:34,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:50:34,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 17:50:34,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-22 17:50:35,323 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 339 out of 489 [2024-11-22 17:50:35,324 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 475 places, 467 transitions, 974 flow. Second operand has 6 states, 6 states have (on average 345.6666666666667) internal successors, (2074), 6 states have internal predecessors, (2074), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:50:35,324 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:50:35,324 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 339 of 489 [2024-11-22 17:50:35,325 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:50:35,844 INFO L124 PetriNetUnfolderBase]: 365/1921 cut-off events. [2024-11-22 17:50:35,844 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-22 17:50:35,847 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2864 conditions, 1921 events. 365/1921 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 9355 event pairs, 364 based on Foata normal form. 0/1801 useless extension candidates. Maximal degree in co-relation 2481. Up to 894 conditions per place. [2024-11-22 17:50:35,853 INFO L140 encePairwiseOnDemand]: 471/489 looper letters, 128 selfloop transitions, 15 changer transitions 0/464 dead transitions. [2024-11-22 17:50:35,854 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 477 places, 464 transitions, 1254 flow [2024-11-22 17:50:35,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 17:50:35,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 17:50:35,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2180 transitions. [2024-11-22 17:50:35,859 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7430129516019086 [2024-11-22 17:50:35,859 INFO L175 Difference]: Start difference. First operand has 475 places, 467 transitions, 974 flow. Second operand 6 states and 2180 transitions. [2024-11-22 17:50:35,859 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 477 places, 464 transitions, 1254 flow [2024-11-22 17:50:35,862 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 472 places, 464 transitions, 1224 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-22 17:50:35,867 INFO L231 Difference]: Finished difference. Result has 472 places, 464 transitions, 968 flow [2024-11-22 17:50:35,868 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=489, PETRI_DIFFERENCE_MINUEND_FLOW=938, PETRI_DIFFERENCE_MINUEND_PLACES=467, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=464, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=449, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=968, PETRI_PLACES=472, PETRI_TRANSITIONS=464} [2024-11-22 17:50:35,869 INFO L277 CegarLoopForPetriNet]: 487 programPoint places, -15 predicate places. [2024-11-22 17:50:35,869 INFO L471 AbstractCegarLoop]: Abstraction has has 472 places, 464 transitions, 968 flow [2024-11-22 17:50:35,870 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 345.6666666666667) internal successors, (2074), 6 states have internal predecessors, (2074), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:50:35,870 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:50:35,871 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:50:35,871 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-22 17:50:35,871 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-22 17:50:35,871 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:50:35,871 INFO L85 PathProgramCache]: Analyzing trace with hash 979827259, now seen corresponding path program 1 times [2024-11-22 17:50:35,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:50:35,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146027881] [2024-11-22 17:50:35,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:50:35,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:50:35,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:50:36,117 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:50:36,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:50:36,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146027881] [2024-11-22 17:50:36,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146027881] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 17:50:36,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [441654425] [2024-11-22 17:50:36,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:50:36,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 17:50:36,119 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 17:50:36,121 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 17:50:36,123 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-22 17:50:36,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:50:36,358 INFO L255 TraceCheckSpWp]: Trace formula consists of 757 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 17:50:36,376 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 17:50:36,584 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:50:36,585 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 17:50:36,748 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:50:36,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [441654425] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 17:50:36,750 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 17:50:36,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-22 17:50:36,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923897374] [2024-11-22 17:50:36,751 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 17:50:36,751 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-22 17:50:36,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:50:36,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-22 17:50:36,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-22 17:50:36,904 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 471 out of 489 [2024-11-22 17:50:36,909 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 472 places, 464 transitions, 968 flow. Second operand has 10 states, 10 states have (on average 472.8) internal successors, (4728), 10 states have internal predecessors, (4728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:50:36,909 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:50:36,909 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 471 of 489 [2024-11-22 17:50:36,909 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:50:37,080 INFO L124 PetriNetUnfolderBase]: 7/752 cut-off events. [2024-11-22 17:50:37,081 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-22 17:50:37,081 INFO L83 FinitePrefix]: Finished finitePrefix Result has 823 conditions, 752 events. 7/752 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 389 event pairs, 6 based on Foata normal form. 2/732 useless extension candidates. Maximal degree in co-relation 394. Up to 24 conditions per place. [2024-11-22 17:50:37,083 INFO L140 encePairwiseOnDemand]: 483/489 looper letters, 14 selfloop transitions, 9 changer transitions 0/472 dead transitions. [2024-11-22 17:50:37,083 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 480 places, 472 transitions, 1032 flow [2024-11-22 17:50:37,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-22 17:50:37,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-22 17:50:37,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 4264 transitions. [2024-11-22 17:50:37,092 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9688707112019995 [2024-11-22 17:50:37,092 INFO L175 Difference]: Start difference. First operand has 472 places, 464 transitions, 968 flow. Second operand 9 states and 4264 transitions. [2024-11-22 17:50:37,092 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 480 places, 472 transitions, 1032 flow [2024-11-22 17:50:37,095 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 475 places, 472 transitions, 1002 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-22 17:50:37,101 INFO L231 Difference]: Finished difference. Result has 478 places, 470 transitions, 988 flow [2024-11-22 17:50:37,102 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=489, PETRI_DIFFERENCE_MINUEND_FLOW=938, PETRI_DIFFERENCE_MINUEND_PLACES=467, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=464, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=458, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=988, PETRI_PLACES=478, PETRI_TRANSITIONS=470} [2024-11-22 17:50:37,102 INFO L277 CegarLoopForPetriNet]: 487 programPoint places, -9 predicate places. [2024-11-22 17:50:37,103 INFO L471 AbstractCegarLoop]: Abstraction has has 478 places, 470 transitions, 988 flow [2024-11-22 17:50:37,105 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 472.8) internal successors, (4728), 10 states have internal predecessors, (4728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:50:37,105 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:50:37,106 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:50:37,118 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-22 17:50:37,309 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 17:50:37,310 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-22 17:50:37,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:50:37,311 INFO L85 PathProgramCache]: Analyzing trace with hash 656329597, now seen corresponding path program 2 times [2024-11-22 17:50:37,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:50:37,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432616906] [2024-11-22 17:50:37,315 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 17:50:37,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:50:37,414 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-22 17:50:37,416 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 17:50:37,813 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2024-11-22 17:50:37,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:50:37,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432616906] [2024-11-22 17:50:37,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432616906] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:50:37,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:50:37,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 17:50:37,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018145555] [2024-11-22 17:50:37,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:50:37,814 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 17:50:37,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:50:37,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 17:50:37,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-22 17:50:38,689 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 388 out of 489 [2024-11-22 17:50:38,691 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 478 places, 470 transitions, 988 flow. Second operand has 6 states, 6 states have (on average 395.3333333333333) internal successors, (2372), 6 states have internal predecessors, (2372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:50:38,691 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:50:38,691 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 388 of 489 [2024-11-22 17:50:38,691 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:50:39,451 INFO L124 PetriNetUnfolderBase]: 257/2078 cut-off events. [2024-11-22 17:50:39,452 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-22 17:50:39,456 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2781 conditions, 2078 events. 257/2078 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 10187 event pairs, 36 based on Foata normal form. 0/1951 useless extension candidates. Maximal degree in co-relation 2279. Up to 523 conditions per place. [2024-11-22 17:50:39,462 INFO L140 encePairwiseOnDemand]: 460/489 looper letters, 99 selfloop transitions, 75 changer transitions 0/547 dead transitions. [2024-11-22 17:50:39,462 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 482 places, 547 transitions, 1490 flow [2024-11-22 17:50:39,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 17:50:39,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 17:50:39,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2504 transitions. [2024-11-22 17:50:39,469 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8534423994546694 [2024-11-22 17:50:39,469 INFO L175 Difference]: Start difference. First operand has 478 places, 470 transitions, 988 flow. Second operand 6 states and 2504 transitions. [2024-11-22 17:50:39,469 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 482 places, 547 transitions, 1490 flow [2024-11-22 17:50:39,474 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 481 places, 547 transitions, 1484 flow, removed 2 selfloop flow, removed 1 redundant places. [2024-11-22 17:50:39,482 INFO L231 Difference]: Finished difference. Result has 486 places, 538 transitions, 1462 flow [2024-11-22 17:50:39,483 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=489, PETRI_DIFFERENCE_MINUEND_FLOW=980, PETRI_DIFFERENCE_MINUEND_PLACES=476, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=469, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=442, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1462, PETRI_PLACES=486, PETRI_TRANSITIONS=538} [2024-11-22 17:50:39,484 INFO L277 CegarLoopForPetriNet]: 487 programPoint places, -1 predicate places. [2024-11-22 17:50:39,484 INFO L471 AbstractCegarLoop]: Abstraction has has 486 places, 538 transitions, 1462 flow [2024-11-22 17:50:39,486 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 395.3333333333333) internal successors, (2372), 6 states have internal predecessors, (2372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:50:39,486 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:50:39,486 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:50:39,487 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-22 17:50:39,487 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-22 17:50:39,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:50:39,488 INFO L85 PathProgramCache]: Analyzing trace with hash 1319077270, now seen corresponding path program 1 times [2024-11-22 17:50:39,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:50:39,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879960342] [2024-11-22 17:50:39,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:50:39,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:50:39,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:50:40,177 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 0 proven. 321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:50:40,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:50:40,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879960342] [2024-11-22 17:50:40,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879960342] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 17:50:40,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [832054516] [2024-11-22 17:50:40,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:50:40,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 17:50:40,178 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 17:50:40,181 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 17:50:40,182 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-22 17:50:40,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:50:40,695 INFO L255 TraceCheckSpWp]: Trace formula consists of 1878 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-22 17:50:40,717 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 17:50:41,092 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 0 proven. 321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:50:41,092 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 17:50:41,516 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 0 proven. 321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:50:41,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [832054516] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 17:50:41,517 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 17:50:41,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-11-22 17:50:41,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567581091] [2024-11-22 17:50:41,517 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 17:50:41,519 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-22 17:50:41,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:50:41,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-22 17:50:41,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-22 17:50:41,717 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 471 out of 489 [2024-11-22 17:50:41,723 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 486 places, 538 transitions, 1462 flow. Second operand has 18 states, 18 states have (on average 472.8888888888889) internal successors, (8512), 18 states have internal predecessors, (8512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:50:41,723 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:50:41,723 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 471 of 489 [2024-11-22 17:50:41,723 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:50:42,320 INFO L124 PetriNetUnfolderBase]: 120/2148 cut-off events. [2024-11-22 17:50:42,320 INFO L125 PetriNetUnfolderBase]: For 184/204 co-relation queries the response was YES. [2024-11-22 17:50:42,323 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2823 conditions, 2148 events. 120/2148 cut-off events. For 184/204 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 7250 event pairs, 21 based on Foata normal form. 4/2064 useless extension candidates. Maximal degree in co-relation 1926. Up to 207 conditions per place. [2024-11-22 17:50:42,329 INFO L140 encePairwiseOnDemand]: 483/489 looper letters, 19 selfloop transitions, 21 changer transitions 0/556 dead transitions. [2024-11-22 17:50:42,329 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 506 places, 556 transitions, 1630 flow [2024-11-22 17:50:42,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-22 17:50:42,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-11-22 17:50:42,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 9934 transitions. [2024-11-22 17:50:42,348 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9673775440646606 [2024-11-22 17:50:42,349 INFO L175 Difference]: Start difference. First operand has 486 places, 538 transitions, 1462 flow. Second operand 21 states and 9934 transitions. [2024-11-22 17:50:42,349 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 506 places, 556 transitions, 1630 flow [2024-11-22 17:50:42,357 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 506 places, 556 transitions, 1630 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-22 17:50:42,364 INFO L231 Difference]: Finished difference. Result has 511 places, 551 transitions, 1592 flow [2024-11-22 17:50:42,365 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=489, PETRI_DIFFERENCE_MINUEND_FLOW=1462, PETRI_DIFFERENCE_MINUEND_PLACES=486, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=538, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=527, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=1592, PETRI_PLACES=511, PETRI_TRANSITIONS=551} [2024-11-22 17:50:42,365 INFO L277 CegarLoopForPetriNet]: 487 programPoint places, 24 predicate places. [2024-11-22 17:50:42,365 INFO L471 AbstractCegarLoop]: Abstraction has has 511 places, 551 transitions, 1592 flow [2024-11-22 17:50:42,372 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 472.8888888888889) internal successors, (8512), 18 states have internal predecessors, (8512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:50:42,372 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:50:42,373 INFO L204 CegarLoopForPetriNet]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:50:42,389 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-22 17:50:42,573 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-22 17:50:42,574 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-22 17:50:42,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:50:42,575 INFO L85 PathProgramCache]: Analyzing trace with hash -857634790, now seen corresponding path program 2 times [2024-11-22 17:50:42,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:50:42,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668822840] [2024-11-22 17:50:42,575 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 17:50:42,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:50:42,761 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-22 17:50:42,761 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 17:50:43,347 INFO L134 CoverageAnalysis]: Checked inductivity of 2233 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2233 trivial. 0 not checked. [2024-11-22 17:50:43,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:50:43,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668822840] [2024-11-22 17:50:43,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668822840] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:50:43,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:50:43,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 17:50:43,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611507150] [2024-11-22 17:50:43,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:50:43,351 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 17:50:43,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:50:43,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 17:50:43,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-22 17:50:44,135 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 394 out of 489 [2024-11-22 17:50:44,141 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 511 places, 551 transitions, 1592 flow. Second operand has 6 states, 6 states have (on average 404.0) internal successors, (2424), 6 states have internal predecessors, (2424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:50:44,141 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:50:44,141 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 394 of 489 [2024-11-22 17:50:44,141 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:50:44,728 INFO L124 PetriNetUnfolderBase]: 182/2312 cut-off events. [2024-11-22 17:50:44,729 INFO L125 PetriNetUnfolderBase]: For 454/488 co-relation queries the response was YES. [2024-11-22 17:50:44,735 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3582 conditions, 2312 events. 182/2312 cut-off events. For 454/488 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 9079 event pairs, 54 based on Foata normal form. 0/2210 useless extension candidates. Maximal degree in co-relation 2480. Up to 572 conditions per place. [2024-11-22 17:50:44,742 INFO L140 encePairwiseOnDemand]: 483/489 looper letters, 150 selfloop transitions, 5 changer transitions 0/550 dead transitions. [2024-11-22 17:50:44,742 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 515 places, 550 transitions, 1900 flow [2024-11-22 17:50:44,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 17:50:44,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 17:50:44,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2455 transitions. [2024-11-22 17:50:44,748 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8367416496250852 [2024-11-22 17:50:44,748 INFO L175 Difference]: Start difference. First operand has 511 places, 551 transitions, 1592 flow. Second operand 6 states and 2455 transitions. [2024-11-22 17:50:44,748 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 515 places, 550 transitions, 1900 flow [2024-11-22 17:50:44,754 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 509 places, 550 transitions, 1876 flow, removed 6 selfloop flow, removed 6 redundant places. [2024-11-22 17:50:44,760 INFO L231 Difference]: Finished difference. Result has 509 places, 550 transitions, 1576 flow [2024-11-22 17:50:44,761 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=489, PETRI_DIFFERENCE_MINUEND_FLOW=1566, PETRI_DIFFERENCE_MINUEND_PLACES=504, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=550, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=545, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1576, PETRI_PLACES=509, PETRI_TRANSITIONS=550} [2024-11-22 17:50:44,763 INFO L277 CegarLoopForPetriNet]: 487 programPoint places, 22 predicate places. [2024-11-22 17:50:44,763 INFO L471 AbstractCegarLoop]: Abstraction has has 509 places, 550 transitions, 1576 flow [2024-11-22 17:50:44,764 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 404.0) internal successors, (2424), 6 states have internal predecessors, (2424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:50:44,764 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:50:44,765 INFO L204 CegarLoopForPetriNet]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:50:44,765 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-22 17:50:44,765 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-22 17:50:44,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:50:44,766 INFO L85 PathProgramCache]: Analyzing trace with hash -392021508, now seen corresponding path program 1 times [2024-11-22 17:50:44,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:50:44,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632906667] [2024-11-22 17:50:44,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:50:44,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:50:45,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:50:46,982 INFO L134 CoverageAnalysis]: Checked inductivity of 2233 backedges. 0 proven. 2233 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:50:46,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:50:46,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632906667] [2024-11-22 17:50:46,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [632906667] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 17:50:46,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2015502094] [2024-11-22 17:50:46,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:50:46,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 17:50:46,984 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 17:50:46,986 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 17:50:46,988 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-22 17:50:47,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:50:47,866 INFO L255 TraceCheckSpWp]: Trace formula consists of 3788 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-22 17:50:47,880 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 17:50:48,655 INFO L134 CoverageAnalysis]: Checked inductivity of 2233 backedges. 0 proven. 2233 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:50:48,655 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 17:50:49,477 INFO L134 CoverageAnalysis]: Checked inductivity of 2233 backedges. 0 proven. 2233 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:50:49,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2015502094] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 17:50:49,477 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 17:50:49,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2024-11-22 17:50:49,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759406104] [2024-11-22 17:50:49,478 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 17:50:49,480 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-22 17:50:49,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:50:49,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-22 17:50:49,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2024-11-22 17:50:49,694 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 471 out of 489 [2024-11-22 17:50:49,700 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 509 places, 550 transitions, 1576 flow. Second operand has 23 states, 23 states have (on average 473.0869565217391) internal successors, (10881), 23 states have internal predecessors, (10881), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:50:49,700 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:50:49,700 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 471 of 489 [2024-11-22 17:50:49,700 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:50:50,492 INFO L124 PetriNetUnfolderBase]: 120/2465 cut-off events. [2024-11-22 17:50:50,492 INFO L125 PetriNetUnfolderBase]: For 301/321 co-relation queries the response was YES. [2024-11-22 17:50:50,496 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3221 conditions, 2465 events. 120/2465 cut-off events. For 301/321 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 7247 event pairs, 21 based on Foata normal form. 3/2381 useless extension candidates. Maximal degree in co-relation 1937. Up to 207 conditions per place. [2024-11-22 17:50:50,502 INFO L140 encePairwiseOnDemand]: 483/489 looper letters, 22 selfloop transitions, 30 changer transitions 0/567 dead transitions. [2024-11-22 17:50:50,502 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 538 places, 567 transitions, 1802 flow [2024-11-22 17:50:50,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-22 17:50:50,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2024-11-22 17:50:50,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 14184 transitions. [2024-11-22 17:50:50,514 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9668711656441717 [2024-11-22 17:50:50,514 INFO L175 Difference]: Start difference. First operand has 509 places, 550 transitions, 1576 flow. Second operand 30 states and 14184 transitions. [2024-11-22 17:50:50,514 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 538 places, 567 transitions, 1802 flow [2024-11-22 17:50:50,521 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 533 places, 567 transitions, 1792 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-22 17:50:50,527 INFO L231 Difference]: Finished difference. Result has 537 places, 560 transitions, 1718 flow [2024-11-22 17:50:50,528 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=489, PETRI_DIFFERENCE_MINUEND_FLOW=1566, PETRI_DIFFERENCE_MINUEND_PLACES=504, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=550, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=527, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=1718, PETRI_PLACES=537, PETRI_TRANSITIONS=560} [2024-11-22 17:50:50,528 INFO L277 CegarLoopForPetriNet]: 487 programPoint places, 50 predicate places. [2024-11-22 17:50:50,528 INFO L471 AbstractCegarLoop]: Abstraction has has 537 places, 560 transitions, 1718 flow [2024-11-22 17:50:50,531 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 473.0869565217391) internal successors, (10881), 23 states have internal predecessors, (10881), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:50:50,531 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:50:50,532 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:50:50,546 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-22 17:50:50,732 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 17:50:50,733 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-22 17:50:50,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:50:50,733 INFO L85 PathProgramCache]: Analyzing trace with hash 409692249, now seen corresponding path program 2 times [2024-11-22 17:50:50,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:50:50,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711738186] [2024-11-22 17:50:50,734 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 17:50:50,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:50:50,980 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-22 17:50:50,981 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 17:50:51,603 INFO L134 CoverageAnalysis]: Checked inductivity of 4780 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4780 trivial. 0 not checked. [2024-11-22 17:50:51,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:50:51,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711738186] [2024-11-22 17:50:51,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711738186] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:50:51,604 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:50:51,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 17:50:51,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584679923] [2024-11-22 17:50:51,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:50:51,606 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 17:50:51,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:50:51,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 17:50:51,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-22 17:50:52,171 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 394 out of 489 [2024-11-22 17:50:52,173 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 537 places, 560 transitions, 1718 flow. Second operand has 6 states, 6 states have (on average 405.5) internal successors, (2433), 6 states have internal predecessors, (2433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:50:52,173 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:50:52,173 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 394 of 489 [2024-11-22 17:50:52,173 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:50:53,471 INFO L124 PetriNetUnfolderBase]: 500/3534 cut-off events. [2024-11-22 17:50:53,471 INFO L125 PetriNetUnfolderBase]: For 951/1034 co-relation queries the response was YES. [2024-11-22 17:50:53,477 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5992 conditions, 3534 events. 500/3534 cut-off events. For 951/1034 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 16089 event pairs, 92 based on Foata normal form. 16/3393 useless extension candidates. Maximal degree in co-relation 4427. Up to 1097 conditions per place. [2024-11-22 17:50:53,486 INFO L140 encePairwiseOnDemand]: 466/489 looper letters, 163 selfloop transitions, 130 changer transitions 0/697 dead transitions. [2024-11-22 17:50:53,486 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 542 places, 697 transitions, 2954 flow [2024-11-22 17:50:53,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 17:50:53,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 17:50:53,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2533 transitions. [2024-11-22 17:50:53,489 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8633265167007498 [2024-11-22 17:50:53,489 INFO L175 Difference]: Start difference. First operand has 537 places, 560 transitions, 1718 flow. Second operand 6 states and 2533 transitions. [2024-11-22 17:50:53,489 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 542 places, 697 transitions, 2954 flow [2024-11-22 17:50:53,497 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 524 places, 697 transitions, 2908 flow, removed 5 selfloop flow, removed 18 redundant places. [2024-11-22 17:50:53,505 INFO L231 Difference]: Finished difference. Result has 529 places, 689 transitions, 2900 flow [2024-11-22 17:50:53,507 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=489, PETRI_DIFFERENCE_MINUEND_FLOW=1672, PETRI_DIFFERENCE_MINUEND_PLACES=519, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=560, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=523, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2900, PETRI_PLACES=529, PETRI_TRANSITIONS=689} [2024-11-22 17:50:53,507 INFO L277 CegarLoopForPetriNet]: 487 programPoint places, 42 predicate places. [2024-11-22 17:50:53,507 INFO L471 AbstractCegarLoop]: Abstraction has has 529 places, 689 transitions, 2900 flow [2024-11-22 17:50:53,508 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 405.5) internal successors, (2433), 6 states have internal predecessors, (2433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:50:53,508 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:50:53,509 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:50:53,509 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-22 17:50:53,509 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-22 17:50:53,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:50:53,510 INFO L85 PathProgramCache]: Analyzing trace with hash -97330125, now seen corresponding path program 1 times [2024-11-22 17:50:53,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:50:53,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572853513] [2024-11-22 17:50:53,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:50:53,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:50:53,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:50:56,820 INFO L134 CoverageAnalysis]: Checked inductivity of 4780 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4780 trivial. 0 not checked. [2024-11-22 17:50:56,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:50:56,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572853513] [2024-11-22 17:50:56,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572853513] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:50:56,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:50:56,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 17:50:56,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541592609] [2024-11-22 17:50:56,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:50:56,822 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 17:50:56,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:50:56,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 17:50:56,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-22 17:50:57,427 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 392 out of 489 [2024-11-22 17:50:57,429 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 529 places, 689 transitions, 2900 flow. Second operand has 6 states, 6 states have (on average 404.0) internal successors, (2424), 6 states have internal predecessors, (2424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:50:57,429 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:50:57,429 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 392 of 489 [2024-11-22 17:50:57,429 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:50:59,221 INFO L124 PetriNetUnfolderBase]: 776/4305 cut-off events. [2024-11-22 17:50:59,222 INFO L125 PetriNetUnfolderBase]: For 3369/3576 co-relation queries the response was YES. [2024-11-22 17:50:59,231 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8856 conditions, 4305 events. 776/4305 cut-off events. For 3369/3576 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 22150 event pairs, 65 based on Foata normal form. 52/4192 useless extension candidates. Maximal degree in co-relation 7308. Up to 1357 conditions per place. [2024-11-22 17:50:59,239 INFO L140 encePairwiseOnDemand]: 466/489 looper letters, 285 selfloop transitions, 131 changer transitions 5/827 dead transitions. [2024-11-22 17:50:59,240 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 534 places, 827 transitions, 4642 flow [2024-11-22 17:50:59,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 17:50:59,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 17:50:59,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2524 transitions. [2024-11-22 17:50:59,243 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8602590320381731 [2024-11-22 17:50:59,243 INFO L175 Difference]: Start difference. First operand has 529 places, 689 transitions, 2900 flow. Second operand 6 states and 2524 transitions. [2024-11-22 17:50:59,243 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 534 places, 827 transitions, 4642 flow [2024-11-22 17:50:59,254 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 534 places, 827 transitions, 4642 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-22 17:50:59,261 INFO L231 Difference]: Finished difference. Result has 539 places, 817 transitions, 4380 flow [2024-11-22 17:50:59,262 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=489, PETRI_DIFFERENCE_MINUEND_FLOW=2900, PETRI_DIFFERENCE_MINUEND_PLACES=529, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=689, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=651, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=4380, PETRI_PLACES=539, PETRI_TRANSITIONS=817} [2024-11-22 17:50:59,263 INFO L277 CegarLoopForPetriNet]: 487 programPoint places, 52 predicate places. [2024-11-22 17:50:59,263 INFO L471 AbstractCegarLoop]: Abstraction has has 539 places, 817 transitions, 4380 flow [2024-11-22 17:50:59,263 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 404.0) internal successors, (2424), 6 states have internal predecessors, (2424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:50:59,263 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:50:59,264 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:50:59,264 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-22 17:50:59,264 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-22 17:50:59,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:50:59,265 INFO L85 PathProgramCache]: Analyzing trace with hash -1203232593, now seen corresponding path program 1 times [2024-11-22 17:50:59,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:50:59,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731596213] [2024-11-22 17:50:59,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:50:59,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:50:59,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:51:02,203 INFO L134 CoverageAnalysis]: Checked inductivity of 4780 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4780 trivial. 0 not checked. [2024-11-22 17:51:02,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:51:02,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731596213] [2024-11-22 17:51:02,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731596213] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:51:02,204 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:51:02,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 17:51:02,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906666950] [2024-11-22 17:51:02,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:51:02,205 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 17:51:02,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:51:02,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 17:51:02,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-22 17:51:02,718 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 357 out of 489 [2024-11-22 17:51:02,720 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 539 places, 817 transitions, 4380 flow. Second operand has 6 states, 6 states have (on average 372.6666666666667) internal successors, (2236), 6 states have internal predecessors, (2236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:51:02,720 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:51:02,720 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 357 of 489 [2024-11-22 17:51:02,720 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:51:05,373 INFO L124 PetriNetUnfolderBase]: 1308/5703 cut-off events. [2024-11-22 17:51:05,373 INFO L125 PetriNetUnfolderBase]: For 4874/4931 co-relation queries the response was YES. [2024-11-22 17:51:05,390 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13640 conditions, 5703 events. 1308/5703 cut-off events. For 4874/4931 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 33836 event pairs, 369 based on Foata normal form. 11/5469 useless extension candidates. Maximal degree in co-relation 12008. Up to 2597 conditions per place. [2024-11-22 17:51:05,406 INFO L140 encePairwiseOnDemand]: 470/489 looper letters, 364 selfloop transitions, 84 changer transitions 0/896 dead transitions. [2024-11-22 17:51:05,407 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 543 places, 896 transitions, 5674 flow [2024-11-22 17:51:05,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 17:51:05,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 17:51:05,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2332 transitions. [2024-11-22 17:51:05,410 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7948193592365371 [2024-11-22 17:51:05,410 INFO L175 Difference]: Start difference. First operand has 539 places, 817 transitions, 4380 flow. Second operand 6 states and 2332 transitions. [2024-11-22 17:51:05,410 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 543 places, 896 transitions, 5674 flow [2024-11-22 17:51:05,432 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 543 places, 896 transitions, 5420 flow, removed 127 selfloop flow, removed 0 redundant places. [2024-11-22 17:51:05,444 INFO L231 Difference]: Finished difference. Result has 548 places, 888 transitions, 4916 flow [2024-11-22 17:51:05,445 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=489, PETRI_DIFFERENCE_MINUEND_FLOW=4132, PETRI_DIFFERENCE_MINUEND_PLACES=538, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=817, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=769, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=4916, PETRI_PLACES=548, PETRI_TRANSITIONS=888} [2024-11-22 17:51:05,445 INFO L277 CegarLoopForPetriNet]: 487 programPoint places, 61 predicate places. [2024-11-22 17:51:05,446 INFO L471 AbstractCegarLoop]: Abstraction has has 548 places, 888 transitions, 4916 flow [2024-11-22 17:51:05,447 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 372.6666666666667) internal successors, (2236), 6 states have internal predecessors, (2236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:51:05,447 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:51:05,447 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:51:05,447 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-22 17:51:05,447 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-11-22 17:51:05,448 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:51:05,448 INFO L85 PathProgramCache]: Analyzing trace with hash 1241466715, now seen corresponding path program 1 times [2024-11-22 17:51:05,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:51:05,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187452331] [2024-11-22 17:51:05,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:51:05,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:51:10,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat